This is a method that can be used to reduce the apparent high stresses caused by geometric stress concentrations in fine mesh FE models with linear material properties……which is quite a mouthful. In my few years in the analysis trade I have noticed that structures, despite the advances in analysis tools, have not been getting much […]

In the course of writing a section for the textbook, I found a version of the Needham method in the US Airforce Stress Manual, there was one small error in the source material which is corrected in both the textbook and the spreadsheet file. Section crippling can be a stand alone check, or can be used […]

All of us at Abbott Aerospace SEZC Ltd hope all of you have had a productive and enjoyable 2015.  We wish you a very Merry Christmas and success and happiness for 2016.  In the spirit of the season we have released a sample chapter of the free reference book that we will release in 2016, you […]

The three volumes of the NASA structures manual